Where did the term DAO-12 come from?

[FrankDaTank1218]

Originally Posted by Yournamehere

DAO-12 is what it's called in Battlefield 2, but I don't know where they got it from...

Edit: it has a DAO (double action only???) trigger system, so that's why they call it a DAO-12. It's still not correct terminology.

There was a striker in BF2??

[PersonOfInterest]

Us cool kids call it the Protecta.